public class test {
    public static void main1(String[] args) {
        int a=1;
        int b = 2;
        System.out.println(a/b);
    }

    public static void main(String[] args) {
        String str1 = "hello";
        String str2 = "world";
        System.out.println(str1+str2);
    }
}
